Page 155 - NUMINO Challenge_B1
P. 155
Answer
Key
Problem solving Creative Thinking p.66~p.67
1 1 The polygons that can be formed by the
overlapping portions of the two figures are
shown below.
A BA BA B A B
Right triangle Trapezoid Pentagon Hexagon
A BA BA B
Pentagon Trapezoid Right triangle
A dotted line is drawn to indicate the mirror’s 2 The number of original dots and the number of
position on each figure, as shown above. Find
figures that cannot be formed when the mirror is reflected dots are the same. Therefore, there
placed on the dotted line. The answers are should be 5 and a half dots on each side to add
and . up to 11.
2 Parts of figures , and can be found in the 3
original figure, as shown below.
The answers are and .
4 If all four rotated grids are overlapped on Grid
B, 1 square will be left uncolored.
NUMINO Challenge B1
Key
Problem solving Creative Thinking p.66~p.67
1 1 The polygons that can be formed by the
overlapping portions of the two figures are
shown below.
A BA BA B A B
Right triangle Trapezoid Pentagon Hexagon
A BA BA B
Pentagon Trapezoid Right triangle
A dotted line is drawn to indicate the mirror’s 2 The number of original dots and the number of
position on each figure, as shown above. Find
figures that cannot be formed when the mirror is reflected dots are the same. Therefore, there
placed on the dotted line. The answers are should be 5 and a half dots on each side to add
and . up to 11.
2 Parts of figures , and can be found in the 3
original figure, as shown below.
The answers are and .
4 If all four rotated grids are overlapped on Grid
B, 1 square will be left uncolored.
NUMINO Challenge B1
